The Xen management stack supports SLA guarantees, along with detailed metrics for charge-back.

Xen管理栈支持SLA保障，以及具体的退款标准。

youdao

We won't charge you for delivery.

我们送货不收费。

《牛津词典》

We have to make a small charge for refreshments.

我们得收取少量茶点费。

《牛津词典》

Question Box is a service that provides answers free of charge for people who cannot search the Internet directly.

VOA: special.2009.10.12

So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.

比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度,那么它现在就有了负的形式电荷。

麻省理工公开课 - 化学原理课程节选

So we can do this for any final charge we have, if we have a molecule that has a charge of plus 2, then all of the formal charges should add up to plus 2 and so on.

对于任意净电荷的情况,我们都可以这样做，比如假设我们有一个带两个正电荷的分子，那么所有的形式电荷加起来应该等于正二，等等。

麻省理工公开课 - 化学原理课程节选

Moreover, as a concession to e-tailers, fed up with paying for charge-backs they believe are not their fault, it is switching liability from retailers to issuing banks.

ECONOMIST: Paying online

What's more, Energizer says that the zinc air batteries offer a "much lower cost" for OEMs compared to lithium ion batteries, which comes at least in part from the elimination of the need for charge circuitry and a charging device.

ENGADGET: Energizer introduces thin, powerful Zinc Air Prismatic battery

The Green party promised to introduce a higher "gas guzzler" charge for the most polluting vehicles, and a new congestion charge for Heathrow airport.

BBC: Christian party pledges 25% off Oysters for families